as washington wrestles with the fiscal cliff, cities across america are struggling with gun violence. two firefighters shot as they rushed to fight a fire in upstate new york. they will be buried today. police say this man, william spengler, ambushed those firefighters after he set his own house on fire. >> multiple firemen down. multiple firemen shot. i am shot. i think it was an assault rifle. we have multiple firemen down with a working fire. >> the motive, unknown. spengler killed himself and left behind a suicide note. it said in part he was bent on, quote, doing what i like doing best, killing people. even though spengler was on parole for murder, he managed to get ahold of a gun and a powerful one, an assault rifle. so what to do? two communities have very different ideas. in westchester county, outside of new york city, a local paper decided to publish the names of people who have gun permits. in los angeles, the mayor has moved up a gun buyback program in an attempt to get guns off the streets. our own paul vercannon starts our coverage this morning. good morning. >> reporter